@article{DAN_1995_344_3_a3,
     author = {K. Gr\"oger and A. A. Pankov},
     title = {$W^{1,p}$-regularity of almost periodic solutions of nonlinear},
     journal = {Doklady Akademii Nauk},
     pages = {305--308},
     publisher = {mathdoc},
     volume = {344},
     number = {3},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_3_a3/}
}